condition mean min max 12pM Fe,Midday 19.2744 19.2744 19.2744 12pM Fe,Midnight 19.6207 14.6706 24.5708 58pM Fe,Midday 15.6795 15.6795 15.6795 58pM Fe,Midnight 19.088671428571427 0.0 25.9495 233pM Fe,Midnight 12.3089 10.5991 14.714 1160pM Fe,Midday 13.117791428571428 9.94794 19.4572 1160pM Fe,Midnight 13.998365 9.38911 19.4025 High carbon,Dark 10.851017333333333 1.47816 22.46 High carbon,Light 7.339686923076923 1.68444 20.4415 Low carbon,Dark 12.1239 12.1239 12.1239 Phloroglucinol 4.042486666666667 3.50647 5.08322 Silicon starvation,12h 6.8983 6.8983 6.8983